Home / 5,434.94-8,136.21-5,342.06

Finding the Fourth Proportional to 5,434.94, 8,136.21 and 5,342.06

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Solution

The fourth proportional to 5,434.94, 8,136.21 and 5,342.06 is: 7,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.94 : 8,136.21 = 5,342.06 : x
  2. Step 2: Convert to fraction form
    5,434.94/8,136.21 = 5,342.06/x
  3. Step 3: Cross multiply
    5,434.94x = 8,136.21 × 5,342.06
  4. Step 4: Simplify right side
    5,434.94x = 43,464,121.99
  5. Step 5: Solve for x
    x = 43,464,121.99/5,434.94
  6. Step 6: Final answer
    x = 7,997.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.